title: Quantitative analysis of benzene, toluene, and xylenes in urine by means of headspace solid-phase microextraction.
mesh_terms: D001554:Benzene / Q000032:analysis*; D002849:Chromatography, Gas / Q000379:methods*; D006801:Humans; D016273:Occupational Exposure; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014050:Toluene / Q000652:urine*; D014992:Xylenes / Q000652:urine*
chemical_list: D014992:Xylenes; D014050:Toluene; D001554:Benzene